, if you are in need of an app for your project I am sure I can help. It is one of the things my company specializes in. You can send me a personal message and/or check out this website http://summarsol.com
and fill out the form giving me an idea of what you are looking to accomplish. Being that I am familiar with all of the Reallusion products I am sure we can work together on this and get your idea accomplished, both into the Apple and Android stores. However, as Peter has stated... their source code is not (and will most likely never be) made available, nor do I believe they will even consider selling it. That would be a very bad business move on their part.
However, lipsync technology is available and you can create your characters in CrazyTalk. Tying the two together will be your challenge along with hosting the app if it becomes successful and you get a ton of users. Also, be advised that what you are attempting to do is not a small project and will require quite a bit of time, money and effort.